Intake Valve Deposits

[Marylandrauder]

Anyone experience intake valve deposits in late model Genesis engines?

 

[brfatal]

It's a direct injection engine. It's going to happen.

 

[ckon]

Anyone experience intake valve deposits in late model Genesis engines?

Just curious - how many miles and what brand of fuel do you use?

 

[Marylandrauder]

The reason I ask is because I am looking at a new Genesis for my wife. I drive a 04 Mercury Marauder and use some MMO(Marvel Mystery Oil) in the gas and I have never had a problem on any of my cars: Monte Carlo, El Camino (470,000 miles) old Grand Prix, old Bonneville.

 

[ImInPA]

The reason you have not had a problem is because the fuel cleans your valves in a non-DI engine. ALL DI engines will have carbon buildup on the intake valves. It is the nature of the beast. Toyota has a system that uses both port injection and direct injection. This system is used on the Scion FR-S and Subaru BRZ.

 

[Mark_888]

The reason I ask is because I am looking at a new Genesis for my wife. I drive a 04 Mercury Marauder and use some MMO(Marvel Mystery Oil) in the gas and I have never had a problem on any of my cars: Monte Carlo, El Camino (470,000 miles) old Grand Prix, old Bonneville.

I have never used Marvel Mystery Oil and I have never had any problem on my non-GDI engine Genesis, or any other car I have owned over the years. What does that mean?

 

[XBOHDPuKC]

The reason I ask is because I am looking at a new Genesis for my wife. I drive a 04 Mercury Marauder and use some MMO(Marvel Mystery Oil) in the gas and I have never had a problem on any of my cars: Monte Carlo, El Camino (470,000 miles) old Grand Prix, old Bonneville.

Marvel Mystery Oil... Is that a new euphemism for snake oil?

 

[Mark_888]

Marvel Mystery Oil... Is that a new euphemism for snake oil?

It is actually a very old euphemism for snake oil, and will void the warranty if Hyundai finds out. What I find amazing is that there is one single MMO product that is supposedly for use in either the crankcase or in the fuel tank. Last time I looked, motor oil and gas have very different properties.

 

[keithl]

and use some MMO(Marvel Mystery Oil) in the gas

Wow man, psychedelic flashback to the 70's/80's man!!

 

[Marylandrauder]

470,000 plus on the same Chevy El Camino engine-no engine repairs or any replacement! GREAT snake oil !!

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